Dip Switch Settings - Black Box Compact T1 MT850A User Manual

DIP Switch Settings

Each FXO card contains ten DIP switches that can be used to select signaling options
for all eight channels.
Switch
1-2
3-6
7-10
Compact T1 - Release 6.1
Function Description
Signal 1 2
Type
0 0 = FXO Loop Start
1 0 = FXO Ground Start
0 1 = DPT (use with
E&M setting on T1)
1 1 = FXO Loop Start
with Calling Party
Disconnect
Receive 3 4 5 6
Gain/Loss
0 0 0 0 = 0 dB
0 0 0 1 = -9 dB
0 0 1 0 = +2 dB
0 1 0 0 = +3 dB
1 0 0 0 = +4 dB
Transmit 7 8 9 10
Gain/Loss
0 0 0 0 = 0 dB
0 0 0 1 = -9 dB
0 0 1 0 = +2 dB
0 1 0 0 = +3 dB
1 0 0 0 = +4 dB
FXO Voice Card
Card Configuration
Note
These settings allow for
receive gain and losses of -9,
-7, -6, -5, -4, -3, -2, 0, 2, 3, 4,
5, 6, and 7.
+9 (1110) is not available.
These settings allow for
transmit gain and losses of -
9, -7, -6, -5, -4, -3, -2, 0, 2, 3,
4, 5, 6, and 7.
+9 (1110) is not available.
7-7